nonsuit
noun
non·suit ˌnän-ˈsüt 
: a judgment against a plaintiff for failure to prosecute a case or inability to establish a prima facie case
nonsuit transitive verb
Example Sentences
Recent Examples on the Web The defense then filed a 13-page motion for nonsuit, claiming that Greer had failed to present any eyewitness, law enforcement, scientific or documentary evidence linking Shacknai to the death. 
Pauline Repard, sandiegouniontribune.com, 20 Mar. 2018 Victoria Beckham made a slouchy nonsuit, and Fendi gave it an urban line, but either way the effect is both besuited and rebooted. Vanessa Friedman, New York Times, 13 June 2017
Pauline Repard, sandiegouniontribune.com, 20 Mar. 2018 Victoria Beckham made a slouchy nonsuit, and Fendi gave it an urban line, but either way the effect is both besuited and rebooted. Vanessa Friedman, New York Times, 13 June 2017 Word History
Etymology
Middle English, from Anglo-French nounsuyte, from noun- non- + siute pursuit, legal suit — more at suit entry 1
First Known Use
14th century, in the meaning defined above
Legal Definition
nonsuit
noun
non·suit ˌnän-ˈsüt
1
: a judgment entered against a plaintiff for failure to prosecute a case or inability to establish a prima facie case : dismissal
2
: voluntary dismissal at dismissal